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Add options for enabling DNS based cilium network policies #11048

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Add options for enabling DNS based cilium network policies #11048

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9 changes: 9 additions & 0 deletions inventory/sample/group_vars/k8s_cluster/k8s-net-cilium.yml
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Expand Up @@ -262,3 +262,12 @@
# resourceNames:
# - toto
# cilium_clusterrole_rules_operator_extra_vars: []

# -- Enable DNS based Cilium network policy
# ref: https://docs.cilium.io/en/latest/security/policy/language/#dns-based
# cilium_enable_l7_proxy: true

# -- Configure the minimum time, in seconds, to use DNS data for toFQDNs policies.
# If the upstream DNS server returns a DNS record with a shorter TTL, Cilium overwrites the TTL with this value.
# Setting this value to zero means that Cilium will honor the TTLs returned by the upstream DNS server.
# cilium_tofqdns_min_ttl: 0
9 changes: 9 additions & 0 deletions roles/network_plugin/cilium/defaults/main.yml
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Expand Up @@ -309,3 +309,12 @@ cilium_certgen_args:
# resourceNames:
# - toto
cilium_clusterrole_rules_operator_extra_vars: []

# Enable DNS based Cilium network policy
# ref: https://docs.cilium.io/en/latest/security/policy/language/#dns-based
# cilium_enable_l7_proxy: true

# Configure the minimum time, in seconds, to use DNS data for toFQDNs policies.
# If the upstream DNS server returns a DNS record with a shorter TTL, Cilium overwrites the TTL with this value.
# Setting this value to zero means that Cilium will honor the TTLs returned by the upstream DNS server.
# cilium_tofqdns_min_ttl: 0
8 changes: 8 additions & 0 deletions roles/network_plugin/cilium/templates/cilium/config.yml.j2
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Expand Up @@ -268,3 +268,11 @@ data:
masqLinkLocal: {{ cilium_masq_link_local | bool }}
resyncInterval: "{{ cilium_ip_masq_resync_interval }}"
{% endif %}

{% if cilium_enable_l7_proxy is defined %}
enable-l7-proxy: "{{ cilium_enable_l7_proxy }}"
{% endif %}

{% if cilium_tofqdns_min_ttl is defined %}
tofqdns-min-ttl: "{{ cilium_tofqdns_min_ttl }}"
{% endif %}